New proposed syntax for SkColorTypes

Everything except for SkImageInfo.h is mechanical

Change-Id: I2d775c79467fb15f6022e80d21b4a9151272fe2a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/242896
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
23 files changed